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 <head>
  <meta content="width=device-width, initial-scale=1.0" name="viewport"/>
  <meta content="2018-10-23T06:18:10.521000000" name="created"/>
  <meta content="2023-12-12T09:31:24" name="changed" translator="gocpicnic"/>
  <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
  <meta content="zh" http-equiv="Content-Language"/>
  <title>
   <!-- Power on Reset -->
   上电复位
  </title>
  <link href="../../style.css" rel="stylesheet" type="text/css"/>
 </head>
 <body>
  <div class="maindiv">
   <h1>
    <img alt="#########" class="iconlibs" height="32" src="../../../../icons/6464/por.png" width="32"/>
    <!-- <em> Power on Reset</em> -->
    <em>
     上电复位
    </em>
   </h1>
   <table>
    <tbody>
     <tr>
      <td>
       <!-- <strong>Library:</strong> -->
       <strong>
        库:
       </strong>
      </td>
      <td>
       <!-- <a href="index.html">Wiring</a> -->
       <a href="index.html">
        线路
       </a>
      </td>
     </tr>
     <tr>
      <td>
       <!-- <strong>Introduced:</strong> -->
       <strong>
        介绍:
       </strong>
      </td>
      <td>
       ...
      </td>
     </tr>
     <tr>
      <td valign="top">
       <!-- <strong>Appearance:</strong> -->
       <strong>
        外观符号:
       </strong>
      </td>
      <td valign="top">
       <img alt="#########" class="notscal" src="../../../../img-libs/por.png"/>
      </td>
     </tr>
    </tbody>
   </table>
   <h2>
    <!-- Behavior -->
    行为
   </h2>
   <p>
    <!-- The POR component emits a high signal during a time defined by the property <b class="propertie">POR-Time</b> at the start of the simulation. This happens either when the project is opened by logisim or when you use the  <a href="../../guide/menu/simulate.html">Restart simulation</a> menu. In step-by-step mode <b class="menu"> Simulation menu | Step-by-step simulation </b> the transition will take place after the delay but in synchronization with the pressing of the key (<b class="tkeybd">Ctrl-I </b>).   -->
    POR元件在仿真开始时在属性
    <b class="propertie">
     POR-Time
    </b>
    定义的时间内发出高电平信号。 当 logisim-evolution 打开项目或使用
    <a href="../../guide/menu/simulate.html">
     重新启动模拟
    </a>
    菜单时，会发生这种情况。 在逐步模式下
    <b class="menu">
     模拟菜单 | 逐步模拟
    </b>
    转换将在延迟后发生，但与按下按键 (
    <b class="tkeybd">
     Ctrl-I
    </b>
    ) 同步。
   </p>
   <h2>
    <!-- Pins -->
    引脚
   </h2>
   <p>
    <!-- This component has only one one-bit pin whose value will represent the current state of the reset. The location of this pin is specified in the attribute <b class="propertie">Facing</b> -->
    该元件只有一个一位引脚，其值将代表复位的当前状态。 此引脚的位置在属性
    <b class="propertie">
     方向
    </b>
    中指定
   </p>
   <h2>
    <!-- Attributes -->
    属性
   </h2>
   <p>
    <!-- When the component is selected or added, the arrow keys change its <b class="propertie">Facing</b> attribute. The side of the drawn component where its output pin should be located. The time in seconds before the signal goes down to the low level (0) -->
    当选择或添加元件时，箭头键会更改其
    <b class="propertie">
     方向
    </b>
    属性。 绘制元件的输出引脚应位于的一侧。 信号降至低电平 (0) 之前的时间（以秒为单位）
   </p>
   <div class="attliste">
    <dl>
     <dt>
      <!-- <b class="propertie">Facing</b> -->
      <b class="propertie">
       方向
      </b>
     </dt>
     <dd>
      <!-- The side of the drawn component where its output pin should be located. -->
      绘制元件的输出引脚应位于的一侧。
     </dd>
     <dt>
      <!-- <b class="propertie">POR-Time</b> -->
      <b class="propertie">
       POR-Time
      </b>
     </dt>
     <dd>
      <!-- The time in seconds before the signal goes down to the low level (0) -->
      信号降至低电平 (0) 之前的时间（以秒为单位）
     </dd>
    </dl>
   </div>
   <h2>
    <!-- Poke Tool Behavior -->
    Poke 工具行为
   </h2>
   <p>
    <!-- None. -->
    无
   </p>
   <h2>
    <!-- Text Tool Behavior -->
    文本工具行为
   </h2>
   <p>
    <!-- None. -->
    无
   </p>
   <p>
    <!-- <b>Back to</b> <a href="../index.html">Library Reference</a> -->
    <b>
     返回
    </b>
    <a href="../index.html">
     电路元件库参考手册
    </a>
   </p>
  </div>
 </body>
</html>
